Waec Mathematics Past Questions and Answers

Question 1821:

• WAEC 2018

The diagram shows a trapezium inscribed in a semi-circle. If O is the mid-point of WZ and |WX| = |XY| = |YZ|, calculate the value of m

A. 90\(^o\)
B. 60\(^o\)
C. 45\(^o\)
D. 30\(^o\)

Question 1822:

• WAEC 2018

In the diagram, PQ//RS. Find x in terms of y and z

A. X = 240\(^o\) - y - z
B. X = 180\(^o\) - y - z
C. X = 360\(^o\) + y -z
D. X = 360\(^o\) - y - z

Question 1823:

• WAEC 2018

In the diagram, PQ is a straight line, (m + n) = 110\(^o\) and (n + r) = 130\(^o\) and (m + r) = 120\(^o\). Find the ratio of m : n : r


A. 2 : 3 : 4
B. 3 : 4 : 5
C. 4 : 5 : 6
D. 5 : 6 : 7

Question 1824:

• WAEC 2018

Donations during the launching of a church project were sent in sealed envolopes. The table shows the distribution of the amount of money in the envelope. How much was the donation?

A. N26,792.00
B. N26,972.00
C. N62.792.00
D. N62,972.00

Question 1825:

• WAEC 2018

A piece of thread of length 21.4cm is used to form a sector of a circle of radius 4.2cm on a piece of cloth. Calculate, correct to the nearest degree, the angle of the sector. [Take \(\pi = \frac{22}{7}\)]

A. 170\(^o\)
B. 192\(^o\)
C. 177\(^o\)
D. 182\(^o\)